“…Considering post-COVID symptoms, only headache, memory loss and insomnia resulted statistically significant in our models. All these factors are known to be highly related to the onset and the development of mood disorders [ [16] , [17] , [18] , [19] ]. In our cohort (see Table 4 ), patients reporting post-COVID mood alterations had also a higher frequency of headache (P < 0.0001), memory impairment (P < 0.0001) and insomnia (P < 0.0001).…”